oj.uz

Submission #99949

# Submission time Handle Problem Language Result Execution time Memory
99949 2019-03-08T21:53:31 Z MvC Shortcut (IOI16_shortcut) C++11
0 / 100
 2 ms 256 KB 
#pragma GCC optimize("O3")
#include "shortcut.h"
#include<bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=3e3+50;
const int mod=1e9+7;
using namespace std;
ll p[nmax],v[nmax],cst;
int n;
int ok(ll x)
{
	ll mn1=llinf,mn2=llinf,mx1=-llinf,mx2=-llinf,v1,v2;
	for(int i=0;i<n;i++)
	{
		for(int j=i+1;j<n;j++)
		{
			if(v[i]+v[j]+p[j]-p[i]<=x)continue;
			ll d=x-v[i]-v[j]-cst;
			mx1=max(mx1,p[i]+p[j]-d);
			mx2=max(mx2,p[j]-p[i]-d);
			mn1=min(mn1,p[i]+p[j]+d);
			mn2=min(mn2,p[j]-p[i]+d);
		}
	}
	for(int i=0;i<n;i++)
	{
		for(int j=i+1;j<n;j++)
		{
			v1=p[i]+p[j],v2=p[j]-p[i];
			if(mn1<=v1 && v1<=mx1 && mn2<=v2 && v2<=mx2)return 1;
		}
	}
	return 0;
}
ll find_shortcut(int N,vector<int>L,vector<int>d,int c)
{
	n=N,cst=c;
	for(int i=0;i<n-1;i++)p[i+1]=p[i]+L[i];
	for(int i=0;i<n;i++)v[i]=d[i];
	ll l=1,r=llinf,mid,ans=llinf;
	while(l<=r)
	{
		mid=(l+r)/2;
		if(ok(mid))
		{
			ans=mid;
			r=mid-1;
		}
		else l=mid+1;
	}
	return ans;
}
/*int main()
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
	
    return 0;
}*/

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB n = 4, incorrect answer: jury 80 vs contestant -4611686018427387904
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB n = 4, incorrect answer: jury 80 vs contestant -4611686018427387904
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB n = 4, incorrect answer: jury 80 vs contestant -4611686018427387904
2 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB n = 4, incorrect answer: jury 80 vs contestant -4611686018427387904
2 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB n = 4, incorrect answer: jury 80 vs contestant -4611686018427387904
2 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB n = 4, incorrect answer: jury 80 vs contestant -4611686018427387904
2 Halted 0 ms 0 KB -

Subtask #7
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB n = 4, incorrect answer: jury 80 vs contestant -4611686018427387904
2 Halted 0 ms 0 KB -

Subtask #8
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB n = 4, incorrect answer: jury 80 vs contestant -4611686018427387904
2 Halted 0 ms 0 KB -